NIG_REG_EMAC0_IN_EN
REG_WR(cb, NIG_REG_EMAC0_IN_EN + port*4, 0);
REG_WR(cb, NIG_REG_EMAC0_IN_EN + port*4, 0x1);
REG_WR(cb, NIG_REG_EMAC0_IN_EN + port*4, 0x0);
static const u32_t reg_arr_e1_e2[] = { NIG_REG_EMAC0_IN_EN,